18538072

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 42999660

約数和(自身を除く): 24461588

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 131, 133, 152, 196, 262, 266, 361, 392, 524, 532, 722, 917, 931, 1048, 1064, 1444, 1834, 1862, 2489, 2527, 2888, 3668, 3724, 4978, 5054, 6419, 7336, 7448, 9956, 10108, 12838, 17423, 17689, 19912, 20216, 25676, 34846, 35378, 47291, 51352, 69692, 70756, 94582, 121961, 139384, 141512, 189164, 243922, 331037, 378328, 487844, 662074, 975688, 1324148, 2317259, 2648296, 4634518, 9269036, 18538072]

約数ペア:

[(1, 18538072), (2, 9269036), (4, 4634518), (7, 2648296), (8, 2317259), (14, 1324148), (19, 975688), (28, 662074), (38, 487844), (49, 378328), (56, 331037), (76, 243922), (98, 189164), (131, 141512), (133, 139384), (152, 121961), (196, 94582), (262, 70756), (266, 69692), (361, 51352), (392, 47291), (524, 35378), (532, 34846), (722, 25676), (917, 20216), (931, 19912), (1048, 17689), (1064, 17423), (1444, 12838), (1834, 10108), (1862, 9956), (2489, 7448), (2527, 7336), (2888, 6419), (3668, 5054), (3724, 4978)]